Upload Kmake

deps/v8/test/mjsunit/maglev/regress/regress-crbug-1428464.js

@@ -0,0 +1,17 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Flags: --maglev --allow-natives-syntax --maglev-untagged-phis
+
+function f(a) {
+  let heap_number = 2000000000;
+  let phi = a ? 42 : heap_number;
+  let float64_use = phi + 1.5;
+  let truncated_int32_use = phi ^ 25;
+}
+
+%PrepareFunctionForOptimization(f);
+f(0);
+%OptimizeMaglevOnNextCall(f);
+f(1);